Flight DL717
Delta Air Lines flight DL717
Looking for DL717 in the air…
Alerts at this flight's airports
San Francisco (SFO) to Detroit (DTW)
Historically, this flight arrives 15+ minutes late 39% of the time, and when it is late the delay averages 53 minutes. It was cancelled 1.3% of the time.
- On-time arrivals
- 61.3%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 226
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 60%
- Airline (crew, maintenance, cleaning) 22%
- Air traffic control & airport 18%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chattanooga (CHA) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 3% of the time, and when it is late the delay averages 182 minutes. It was cancelled 7.9% of the time.
- On-time arrivals
- 97.1%
- Less than 15 minutes late
- Cancelled
- 7.9%
- Of scheduled flights
- Average delay when late
- 182 min
- Flights arriving 15+ minutes late
- Flights tracked
- 38
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 100%
- Late-arriving aircraft 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Savannah (SAV) to Atlanta (ATL)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 93.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 262 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 100%
- Late-arriving aircraft 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 72.0% | 25 |
| October 2025 | 83.3% | 30 |
| November 2025 | 80.8% | 27 |
| December 2025 | 81.8% | 22 |
| January 2026 | 96.4% | 31 |
| February 2026 | 100.0% | 11 |
| March 2026 | 90.0% | 21 |
| April 2026 | 76.0% | 26 |
| May 2026 | 32.0% | 25 |
| June 2026 | 35.7% | 29 |
| July 2026 | 29.0% | 31 |
| August 2026 | 50.0% | 2 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data